﻿using System;
using System.Text;
using System.Collections.Generic;
using System.Linq;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using TinyContainerTest.TestHelperClasses;

namespace TinyContainer.Desktop.Test
{
    /// <summary>
    /// Summary description for UnitTest1
    /// </summary>
    [TestClass]
    public class ContainerTest
    {
        public ContainerTest()
        {
            
            //
            // TODO: Add constructor logic here
            //
        }

        private TestContext testContextInstance;

        /// <summary>
        ///Gets or sets the test context which provides
        ///information about and functionality for the current test run.
        ///</summary>
        public TestContext TestContext
        {
            get
            {
                return testContextInstance;
            }
            set
            {
                testContextInstance = value;
            }
        }

        #region Additional test attributes
        //
        // You can use the following additional attributes as you write your tests:
        //
        // Use ClassInitialize to run code before running the first test in the class
        // [ClassInitialize()]
        // public static void MyClassInitialize(TestContext testContext) { }
        //
        // Use ClassCleanup to run code after all tests in a class have run
        // [ClassCleanup()]
        // public static void MyClassCleanup() { }
        //
        // Use TestInitialize to run code before running each test 
        // [TestInitialize()]
        // public void MyTestInitialize() { }
        //
        // Use TestCleanup to run code after each test has run
        // [TestCleanup()]
        // public void MyTestCleanup() { }
        //
        #endregion

        /// <summary>
        /// Unit test for constructor
        /// </summary>
        [TestMethod]
        public void TestConstructor()
        {
            var container = new Container();
            Assert.IsInstanceOfType(container, typeof(Container), "The expected type does not match");
        }

        /// <summary>
        /// Try to resolve itself
        /// </summary>
        [TestMethod]
        public void TestResolveSelf()
        {
            var container = new Container();
            Assert.IsInstanceOfType(container.Resolve<IContainer>(), typeof(IContainer));
        }

        [TestMethod]
        public void TestResolveInherit()
        {
            var container = new Container();
            Assert.AreSame(container.Resolve<IContainer>(), container.Resolve<Container>());
        }

        [TestMethod]
        public void TestResolveWithSingleParam()
        {
            var container = new Container();
            Assert.IsNotNull(container.Resolve<SingleParamClass>());
        }

        [TestMethod]
        public void TestGeneralResolve()
        {
            var container = new Container();
            Assert.IsInstanceOfType(container.Resolve<StringBuilder>(), typeof(StringBuilder));
        }

        [TestMethod]
        public void TestResolveWithInterface()
        {
            var container = new Container();
            container.Register<string>("Hello World");
            container.Register<ISampleClass, SampleClass>();
            var obj = container.Resolve<ISampleClass>();
            Assert.IsNotNull(obj);
            obj.SayCheez();
        }

        [TestMethod]
        public void TestIsRegisterTrue()
        {
            var container = new Container();
            Assert.IsTrue(container.IsRegistered<IContainer>());
        }

        [TestMethod]
        public void TestIsRegisterFalse()
        {
            var container = new Container();
            Assert.IsFalse(container.IsRegistered<StringBuilder>());
        }

        [TestMethod]
        public void TestRemove()
        {
            var container = new Container();
            container.Register<ISampleClass, SampleClass>();
            var obj1 = container.Resolve<ISampleClass>();
            container.Remove(obj1);
            var obj2 = container.Resolve<ISampleClass>();
            Assert.AreNotSame(obj1, obj2);
        }
    }
}
